EP3958561A4 - Dispositif de codage, dispositif de décodage, procédé de codage et procédé de décodage - Google Patents

Dispositif de codage, dispositif de décodage, procédé de codage et procédé de décodage Download PDF

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Publication number
EP3958561A4
EP3958561A4 EP20790680.1A EP20790680A EP3958561A4 EP 3958561 A4 EP3958561 A4 EP 3958561A4 EP 20790680 A EP20790680 A EP 20790680A EP 3958561 A4 EP3958561 A4 EP 3958561A4
Authority
EP
European Patent Office
Prior art keywords
encoding
decoding
decoding device
encoding device
encoding method
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP20790680.1A
Other languages
German (de)
English (en)
Other versions
EP3958561A1 (fr
Inventor
Tadamasa Toma
Takahiro Nishi
Kiyofumi Abe
Yusuke Kato
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Intellectual Property Corp of America
Original Assignee
Panasonic Intellectual Property Corp of America
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Panasonic Intellectual Property Corp of America filed Critical Panasonic Intellectual Property Corp of America
Publication of EP3958561A1 publication Critical patent/EP3958561A1/fr
Publication of EP3958561A4 publication Critical patent/EP3958561A4/fr
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
    • H04N19/176—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/124—Quantisation
    • H04N19/126—Details of normalisation or weighting functions, e.g. normalisation matrices or variable uniform quantisers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/11—Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/12—Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/186—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a colour or a chrominance component
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • H04N19/423—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation characterised by memory arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/593—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
EP20790680.1A 2019-04-16 2020-04-16 Dispositif de codage, dispositif de décodage, procédé de codage et procédé de décodage Pending EP3958561A4 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201962834715P 2019-04-16 2019-04-16
PCT/JP2020/016704 WO2020213677A1 (fr) 2019-04-16 2020-04-16 Dispositif de codage, dispositif de décodage, procédé de codage et procédé de décodage

Publications (2)

Publication Number Publication Date
EP3958561A1 EP3958561A1 (fr) 2022-02-23
EP3958561A4 true EP3958561A4 (fr) 2022-08-10

Family

ID=72837283

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20790680.1A Pending EP3958561A4 (fr) 2019-04-16 2020-04-16 Dispositif de codage, dispositif de décodage, procédé de codage et procédé de décodage

Country Status (11)

Country Link
US (1) US20220030242A1 (fr)
EP (1) EP3958561A4 (fr)
JP (3) JP7214846B2 (fr)
KR (1) KR20210145762A (fr)
CN (5) CN117834872A (fr)
AU (1) AU2020259889A1 (fr)
BR (1) BR112021017420A2 (fr)
CA (1) CA3135146A1 (fr)
MX (1) MX2021012063A (fr)
SG (1) SG11202111094YA (fr)
WO (1) WO2020213677A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113853797B (zh) * 2019-04-16 2024-03-22 Lg电子株式会社 使用变换索引的图像编码
CN116684613A (zh) * 2019-04-16 2023-09-01 Lg电子株式会社 解码设备、编码设备和数据发送设备
JP7366149B2 (ja) * 2019-04-17 2023-10-20 華為技術有限公司 行列ベースのイントラ予測と二次変換コア選択を調和させるエンコーダ、デコーダ、および対応する方法
JP7256296B2 (ja) * 2019-05-08 2023-04-11 エルジー エレクトロニクス インコーポレイティド Ｍｉｐ及びｌｆｎｓｔを行う画像符号化／復号化方法、装置、及びビットストリームを伝送する方法
JP7362786B2 (ja) * 2019-06-13 2023-10-17 エルジー エレクトロニクス インコーポレイティド 単純化されたｍｐｍリスト生成方法を用いる画像符号化／復号化方法、装置、及びビットストリームを伝送する方法
EP4032274A4 (fr) * 2019-09-19 2023-11-01 Telefonaktiebolaget Lm Ericsson (Publ) Procédé permettant à un bloc de prédiction intra sur la base d'une matrice de comporter de multiples blocs de transformation
GB2588406B (en) * 2019-10-22 2022-12-07 British Broadcasting Corp Video encoding and video decoding

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US20120076203A1 (en) * 2009-05-29 2012-03-29 Mitsubishi Electric Corporation Video encoding device, video decoding device, video encoding method, and video decoding method
WO2011083573A1 (fr) * 2010-01-07 2011-07-14 株式会社 東芝 Codeur et décodeur vidéo
US10681379B2 (en) * 2015-09-29 2020-06-09 Qualcomm Incorporated Non-separable secondary transform for video coding with reorganizing
US10277896B2 (en) * 2016-01-22 2019-04-30 Apple Inc. Intra-frame prediction systems and methods
CN110583020B (zh) * 2017-04-27 2023-08-25 松下电器（美国）知识产权公司 编解码装置及记录介质
JP2019017066A (ja) * 2017-07-03 2019-01-31 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカＰａｎａｓｏｎｉｃ Ｉｎｔｅｌｌｅｃｔｕａｌ Ｐｒｏｐｅｒｔｙ Ｃｏｒｐｏｒａｔｉｏｎ ｏｆ Ａｍｅｒｉｃａ 符号化装置、復号装置、符号化方法及び復号方法
TW202322631A (zh) * 2017-07-13 2023-06-01 美商松下電器（美國）知識產權公司 編碼裝置、編碼方法、解碼裝置、解碼方法及電腦可讀取之非暫時性媒體
WO2020207492A1 (fr) * 2019-04-12 2020-10-15 Beijing Bytedance Network Technology Co., Ltd. Interaction entre une prédiction intra basée sur une matrice et d'autres outils de codage

Non-Patent Citations (4)

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Title
KARAM NASER (INTERDIGITAL) ET AL: "CE6 Related: MIP Adaptation On Top of CE6-1.1d", no. m50316, 24 September 2019 (2019-09-24), XP030206354, Retrieved from the Internet <URL:http://phenix.int-evry.fr/mpeg/doc_end_user/documents/128_Geneva/wg11/m50316-JVET-P0349-v1-JVET-P0349.zip JVET-P0349.docx> [retrieved on 20190924] *
KOO M ET AL: "Description of SDR video coding technology proposal by LG Electronics", no. JVET-J0017, 11 April 2018 (2018-04-11), XP030248124, Retrieved from the Internet <URL:http://phenix.int-evry.fr/jvet/doc_end_user/documents/10_San%20Diego/wg11/JVET-J0017-v2.zip JVET-J0017_r1.docx> [retrieved on 20180411] *
NASER (INTERDIGITAL) K ET AL: "CE6 Related: Modified LFNST Index Coding For Fast Encoder Implementation", no. JVET-P0350 ; m50317, 6 October 2019 (2019-10-06), XP030217026, Retrieved from the Internet <URL:http://phenix.int-evry.fr/jvet/doc_end_user/documents/16_Geneva/wg11/JVET-P0350-v4.zip JVET-P0350-r3.docx> [retrieved on 20191006] *
PFAFF (FRAUNHOFER) J ET AL: "CE3: Affine linear weighted intra prediction (test 1.2.1, test 1.2.2)", no. JVET-M0043, 9 January 2019 (2019-01-09), XP030200985, Retrieved from the Internet <URL:http://phenix.int-evry.fr/jvet/doc_end_user/documents/13_Marrakech/wg11/JVET-M0043-v2.zip JVET-M0043_v1.docx> [retrieved on 20190109] *

Also Published As

Publication number Publication date
BR112021017420A2 (pt) 2022-02-01
SG11202111094YA (en) 2021-11-29
JPWO2020213677A1 (fr) 2020-10-22
AU2020259889A1 (en) 2021-11-11
JP7389283B2 (ja) 2023-11-29
JP2023033537A (ja) 2023-03-10
CN117834872A (zh) 2024-04-05
WO2020213677A1 (fr) 2020-10-22
EP3958561A1 (fr) 2022-02-23
MX2021012063A (es) 2021-11-03
CA3135146A1 (fr) 2020-10-22
CN117896523A (zh) 2024-04-16
CN113678443B (zh) 2024-01-19
CN117834873A (zh) 2024-04-05
US20220030242A1 (en) 2022-01-27
CN113678443A (zh) 2021-11-19
CN117834871A (zh) 2024-04-05
KR20210145762A (ko) 2021-12-02
JP7214846B2 (ja) 2023-01-30
JP2024003226A (ja) 2024-01-11

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